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Introduction to Linux - A Hands on Guide

This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.

Hi, I have a redhat 8 on Compaq Armada E500, which has an internal build in lucent modem... I have kernel 2-4-18-14 and installed the corresponding ltmodem drivers .. But how can I get Redhat to recognize the modem. When I launch Internet Config. Wizard and let it probe for a modem, it doesn't find one.. Any help ???????

Modem
The internal modem is a 56K Lucent Winmodem. The chip is detected (look for it in /proc/pci). Drivers can be found at http://www.heby.de/ltmodem. The installation is very easy and works for kernel 2.2 as well as 2.4. The modules will be compiled for your current kernel during the installation, so you need to reinstall (i.e., recompile) the modules when you update the kernel. I've made a little (source) rpm which I can send you if you are interested.
Load the modem modules with "modprobe lt_serial". For 2.2 and PPP, you need to modprobe the slhc and ppp modules (if you don't have it compiled into the kernel). For 2.4., you need also PPP support for asynchronous serial ports compiled into the kernel. If you have it as module, just use "modprobe ppp_async" to enable PPP support.
Then you can use e.g. wvdialconf to autodetect and setup the modem and PPP connections. That works without any problems.
If you use the kernel sound module, the modem does not make any sound. Jake Hawkes had success in using the ALSA drivers, but I could not reproduce his success so far. There is a sound patch for kernel 2.4, take a look at the sound section.